Home / 42,918.50-64,302.68-29,779.22

Finding the Fourth Proportional to 42,918.50, 64,302.68 and 29,779.22

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Solution

The fourth proportional to 42,918.50, 64,302.68 and 29,779.22 is: 44,616.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,918.50 : 64,302.68 = 29,779.22 : x
  2. Step 2: Convert to fraction form
    42,918.50/64,302.68 = 29,779.22/x
  3. Step 3: Cross multiply
    42,918.50x = 64,302.68 × 29,779.22
  4. Step 4: Simplify right side
    42,918.50x = 1,914,883,654.31
  5. Step 5: Solve for x
    x = 1,914,883,654.31/42,918.50
  6. Step 6: Final answer
    x = 44,616.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.